The chances of you getting anything from this are next to zero.
The only things you might be at risk for are syphilis and genital herpes type 1, if you don't already have oral herpes type 1.
Chances of both are incredibly low since you used a condom, and if she had no sores on her lips, I'd put syphilis at zero.
Even if you don't remember ever getting a cold sore, 67% of the population under 50 has oral hsv1 and 90% of them never get a symptom, so you could easily have it and not know it.
This is not something I'd worry about, or bother testing for. The herpes blood test misses a full 30% of hsv1 infections, so even if you test negative for it, you could easily still have it.
I know you have a partner and you're concerned, but you don't need to be.